new index	atom name	original index
1	C	6
2	C	10
3	C	5
4	C	3
5	C	2
6	C	9
7	C	7
8	C	1
9	C	8
10	O	13
11	O	11
12	O	12
13	O	4
14	H	16
15	H	17
16	H	15
17	H	14
18	H	19
19	H	18
